A blunt/joint that contains atleast two(2) ounces of marijuana aka cannibis aka bud aka pot aka peace aka every single word in the world you want to use.
EX: person 1, "hey man, lets go roll up a super blunt."
person 2, "no way, man. we are going to the moon with a Gnraly Marly, man."
EX: person 1, "check out this Gnarly Marly, man."
person 2, "holy shit. we are going to get fucked up."